Comment 3 for bug 1410817

------- Comment From <email address hidden> 2015-02-16 07:18 EDT-------
I have followed the steps provided in the link:
https://wiki.ubuntu.com/Testing/EnableProposed

root@ubuntu:~# cat /etc/apt/sources.list | tail
# deb-src http://archive.canonical.com/ubuntu vivid partner

## Uncomment the following two lines to add software from Ubuntu's
## 'extras' repository.
## This software is not part of Ubuntu, but is offered by third-party
## developers who want to ship their latest software.
# deb http://extras.ubuntu.com/ubuntu vivid main
# deb-src http://extras.ubuntu.com/ubuntu vivid main

deb http://ports.ubuntu.com/ubuntu-ports vivid-proposed restricted main multiverse universe

root@ubuntu:~# cat /etc/apt/preferences.d/proposed-updates
Package: *
Pin: release a=vivid-proposed
Pin-Priority: 400

root@ubuntu:~# apt-get update

root@ubuntu:~# apt-get install linux-generic/vivid-proposed
Reading package lists... Done
Building dependency tree
Reading state information... Done
E: Release 'vivid-proposed' for 'linux-generic' was not found

root@ubuntu:~# apt-get install linux-image-*/vivid-propsed
Reading package lists... Done
Building dependency tree
Reading state information... Done
Note, selecting 'linux-image-3.18.0-11-generic' for regex 'linux-image-*'
Note, selecting 'linux-image-extra-3.18.0-9-generic' for regex 'linux-image-*'
Note, selecting 'linux-image-3.18.0-9-generic' for regex 'linux-image-*'
Note, selecting 'linux-image-3.18.0-8-generic-dbgsym' for regex 'linux-image-*'
Note, selecting 'linux-image' for regex 'linux-image-*'
Note, selecting 'linux-image-virtual' for regex 'linux-image-*'
Note, selecting 'linux-image-3.18.0-11-generic-dbgsym' for regex 'linux-image-*'
Note, selecting 'linux-image-3.0' for regex 'linux-image-*'
Note, selecting 'linux-image-extra-3.18.0-12-generic' for regex 'linux-image-*'
Note, selecting 'linux-image-3.18.0-12-generic' for regex 'linux-image-*'
Note, selecting 'linux-image-extra-3.18.0-8-generic' for regex 'linux-image-*'
Note, selecting 'linux-image-3.18.0-8-generic' for regex 'linux-image-*'
Note, selecting 'linux-image-2.6-rt' for regex 'linux-image-*'
Note, selecting 'linux-image-extra-3.18.0-13-generic' for regex 'linux-image-*'
Note, selecting 'linux-image-3.18.0-13-generic' for regex 'linux-image-*'
Note, selecting 'linux-image-generic' for regex 'linux-image-*'
Note, selecting 'linux-image-extra-3.18.0-11-generic' for regex 'linux-image-*'
E: Release 'vivid-propsed' for 'linux-image' was not found
E: Release 'vivid-propsed' for 'linux-image-generic' was not found
E: Release 'vivid-propsed' for 'linux-image-3.18.0-13-generic' was not found
E: Release 'vivid-propsed' for 'linux-image-3.0' was not found
E: Release 'vivid-propsed' for 'linux-image-extra-3.18.0-13-generic' was not found
E: Release 'vivid-propsed' for 'linux-image-virtual' was not found
E: Release 'vivid-propsed' for 'linux-image-2.6-rt' was not found
E: Release 'vivid-propsed' for 'linux-image-3.18.0-9-generic' was not found
E: Release 'vivid-propsed' for 'linux-image-3.18.0-8-generic-dbgsym' was not found
E: Release 'vivid-propsed' for 'linux-image-3.18.0-11-generic-dbgsym' was not found
E: Release 'vivid-propsed' for 'linux-image-3.18.0-11-generic' was not found
E: Release 'vivid-propsed' for 'linux-image-extra-3.18.0-8-generic' was not found
E: Release 'vivid-propsed' for 'linux-image-3.18.0-8-generic' was not found
E: Release 'vivid-propsed' for 'linux-image-extra-3.18.0-12-generic' was not found
E: Release 'vivid-propsed' for 'linux-image-3.18.0-12-generic' was not found
E: Release 'vivid-propsed' for 'linux-image-extra-3.18.0-9-generic' was not found
E: Release 'vivid-propsed' for 'linux-image-extra-3.18.0-11-generic' was not found

Not able to find the kernel linux-image available in vivid-proposed.

Please let me know if I need to follow any other steps in order to install proposed kernel.